What size tank does a Hillstream Butterfly Loach need?

Hillstream Butterfly Loach needs a minimum of 10 gallons, with 15 gallons recommended. They are bottom swimmers. Keep in groups of 3+.

Is Hillstream Butterfly Loach good for beginners?

Hillstream Butterfly Loach is rated "intermediate" difficulty (2/5). Great for beginners.

What fish are compatible with Hillstream Butterfly Loach?

Hillstream Butterfly Loach is peaceful. Compatible tank mates include other peaceful fish with similar water parameters (pH 6.5-7.5, temp 65-75°F).

Hillstream Butterfly Loach

Beaufortia kweichowensis

Family: Gastromycidae • Origin: Various

Hillstream Butterfly Loach (Beaufortia kweichowensis) is a peaceful loach reaching 3 inches. Keep in groups of 3+. Minimum tank: 10 gallons.

Min Tank

10 gal

Max Size

Temperature

65-75°F

6.5-7.5

Lifespan

5 years

School Size

Swim Level

bottom

Hardness

5-15 dGH

peacefulintermediateherbivoreschooling

Is Hillstream Butterfly Loach Right for Your Tank?

Hillstream Butterfly Loach is an excellent choice for beginners — rated "intermediate" difficulty (2/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. At just 10 gallons minimum, they work well in nano tanks and smaller setups.

With a peaceful temperament, Hillstream Butterfly Loach makes a great community fish. They coexist well with other non-aggressive species of similar size. This is a schooling species — keep at least 3 together, or they may become stressed and display abnormal behavior. Expected lifespan: 5 years with proper care.

Common Mistakes with Hillstream Butterfly Loach

✗

Keeping fewer than 3 together

Hillstream Butterfly Loach is a schooling species — they need a group of at least 3 to feel secure. Lone or paired individuals become stressed, hide constantly, and may develop health issues or aggression.

✗

Putting them in a tank under 10 gallons

While 10 gallons is the minimum, nano tanks require more frequent water changes and leave less room for error. A slightly larger tank (15 gal) is much more forgiving.